fix(draft-order, medusa, types): ui polish (#13376)

**What**
- ensure unique promotion changes are displayed in the activity section
- check linked promotions by id and not code
- list promotions - add id param
- make address payload fields nullish
- Add items view UI tweaks

---

CLOSES SUP-2400

.changeset/blue-donuts-begin.md

@@ -0,0 +1,7 @@
+---
+"@medusajs/draft-order": patch
+"@medusajs/types": patch
+"@medusajs/medusa": patch
+---
+
+fix(draft-order,medusa,types): draft order promotion UI polish